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Explain a metabolic pathway from any organism (bacterium, plant and animal) which peroxidase is involved.
Explain how do these three residue act to permit proteolysis? Can someone in brief describe to me the features of the chymostrypsin active site and the mechanism?
The phosphorylation and dephosphorylation of proteins is a fundamental means of regulation. Protein kinases attach phosphoryl groups, while phosphates eliminate the phosphoryl group from the target
Explain why does fluoracetate cause citrate to build up in the Citric Acid Cycle? Explain why do glucose and glycolysis reduce and hexose rises? Explain why is it fatal? What about fluoroacetyl-SCoA
If glucose-1 is the radioactive source, where is 14C in ethanol product? Anaerobic conditions. Where would it be if the 14C would be released as CO2 throughout fermentation?
Explain a well-controlled experiment to find out if the rise in internal free calcium observed in the cytoplasm of unfertilized sea urchin eggs in the presence of A23187 is due to influx of calcium
Cellular respiration is a method which takes place in numerous organisms. The rate of cellular respiration can be measured by using some different methods.
Explain why does the addition of oxaloacetate or malate stimulate the oxygen consumption?
Opponents argued that the weight loss was almost completely water and would be regained almost instantly when a normal diet was resumed. Determine the biochemical basis for the opponent's argument?
Whenever digested DNA is analyzed by using agarose gel electrophoresis the total size of fragments sometimes doesn't add up to the size of the original DNA molecule. Describe how can this be describ
Computation of amount of phenol red in micrograms present in 3ml of the solution, you will require to use the given data: the concentration of the unknown 5.0 micromoles, volume = 3ml, MW of phenol
The molar extinction coefficient of the p-nitrophenol 21500 M-1cm-1 and the pka for p-nitrophenol is 7. Determine the total concentration of p-nitrophenol in the experimental solution.
Some of the unscrupulous operator's offer, for a fee, to freeze recently deceased individuals in liquid nitrogen till medical science can cure the disease from which they died. Write down the bioche
Ethanol is oxidized in the liver to form the acetate, which is transformed to acetyl-CoA. Find out how many molecules of ATP are produced from 1 mol of ethanol.
Describe the yield of ATP when each of the given substrates is completely oxidized to CO2 by a mammalian cell homogenate? Suppose that glycolysis, the citric cycle and oxidative phosphorylation are
The Conduction of protons by the F0 unit of ATP syntheses is blocked by modification of a single side chain by dicyclohexylcarboiimide (DCCD).
Write down the arguments for and against the production of the embryonic stem cells? Explain the difference between a tumor suppressor and an oncogene with respect to the real causes of the cancer?
Explain why does the accumulation of lactate cease after O2 is added? Explain why does the presence of O2 reduce the rate of glucose consumption?
Glucose is experimentally synthesized with C-14 at carbon 1, and employed as a substrate for aerobic metabolism.
Throughout an experiment utilizing potatoes and the enzyme catalase, the heated potato exhibited less gas production when exposed to the hydrogen peroxide. Describe why this happened?
If silicon-based life exists, would it be possible to consume carbon-based life, digest it, and use the products as nutrients? Explain why or why not?
Describe the term biological psychology and analyze its historical development. Recognize the significant theorists related with biological psychology.
This is to be a philosophical description.... What are the features of life? There are some things, similar to planets, stars, viruses and prions whihc have many of the features of life, however are
If you want 10mL of a 1mM nitrophenol solution and you have on hand a 50mM nitrophenol solution, how would you prepare it?
A 5.0 mL aliquot of a stock tryptophan solution was diluted by adding up 95 mL of water. The absorbance of that diluted solution was measured at 280 nm as 0.055 absorbance units. Determine the conce